Hire the Best User Acceptance Testing Specialists
in Argentina

I’m a Senior Manual QA Specialist with 11+ years of experience ensuring high-quality releases for web and mobile applications. My focus is simple: prevent issues before users find them, accelerate delivery, and keep stakeholders confident throughout the release cycle. I align QA with business goals, not just test cases. I’ve worked with multicultural agile teams, led QA efforts, mentored testers and coordinated with Dev, UX and Product to keep releases smooth and predictable. What I do End-to-end Manual QA for Web & Mobile Test Plans, Test Cases, Regression & Smoke Testing Exploratory Testing, UAT and Acceptance Criteria validation Defect detection, reporting and triage (Jira / Agile boards) UX / UI / Accessibility testing QA process coordination with cross-functional teams What you get ✅ Fewer production issues ✅ Faster, cleaner releases ✅ Clear reports your team can act on ✅ A QA partner who communicates and anticipates risk

🎮Experienced QA Analyst with a solid background in functional testing for video games, mobile apps, and web platforms. I bring over 3 years of hands-on experience executing and validating test cases, identifying and reporting bugs, and ensuring product quality from early development to post-release. 🚀 I’ve tested across multiple platforms including PS5, Xbox Series, Nintendo Switch, PC, Android, iOS, and Web. I specialize in manual testing, cross-platform validation, bug tracking with Jira, and test case execution using TestRail, test case writing and execution using Xray, ALM, and Confluence. 🧪 Key expertise: Functional, regression, exploratory & smoke testing Mobile/web QA (iOS, Android, browsers) Game testing (PlayStation, Xbox, Switch, PC) Bug reporting & documentation (Jira, TestRail) Team coordination, reporting, and stakeholder communication MTBF performance tests, localization & accessibility QA Tools: Postman, Charles Proxy, CMS, SQL, Figma, BrowserStack 🧑‍🏫 I’ve also taken on leadership roles such as trainer for new QA testers and Point of Contact for high-priority test areas, helping improve team workflows and product outcomes. 📩 If you need a reliable QA Analyst to ensure your product is bug-free and user-ready, I’d love to help. Let’s connect and make your product shine!

EXPERIENCE SUMMARY 👋 Hi! I'm a Senior QA Engineer with over 15 years of experience in software testing, SaaS platforms, complex workflows, and payment systems. I specialize in end-to-end testing, API validation, accessibility testing, and high-precision mobile testing. I collaborate closely with development and product teams in Agile environments (Scrum & Kanban) to ensure reliable releases and a high-quality user experience. 📱 Dedicated Mobile Testing Lab (Physical Devices) I provide 100% accurate results using real hardware to avoid the false positives of emulators: • iOS High-End Benchmark: iPhone 13 (running iOS 26.3.1) – Ideal for testing the latest Apple features, modern UI/UX, and accessibility standards. • Android Performance Testing: Samsung Galaxy A22 (Android 13 / One UI Core) – Perfect for verifying app stability, resource consumption, and backward compatibility on widely-used mid-range hardware. Core Competencies: • Manual & Exploratory Testing • SaaS, Web & Mobile Application Testing • Payment & Billing Workflow Testing • Test Planning & Execution • API Testing (Postman / Swagger / REST) • Regression & Smoke Testing • Accessibility (WCAG/508) & Cross-Browser Testing • Defect Lifecycle Management My toolbox: Jira & Confluence, TestRail, Zephyr, Postman, Swagger, Jenkins, BitBucket, BuildMaster, BrowserStack, SQL Server, Splunk and Amplitude. If you're looking for a detail-oriented, proactive QA professional who can help you deliver reliable, well-tested applications — let’s connect! ✅

Serfe is an ISO 9001:2015 certified company that provides consulting and development services in information technology oriented to Internet. We specialize in the development of (1) websites with Wordpress, (2) E-Commerce stores with Magento, WooCommerce and PrestaShop, (3) develop and maintain large online systems using the latest available technologies (ie: React Native, Angular, NodeJS, PHP, Laravel, Ruby, Python, MySQL, PostgreSQL). Since 2003, we have served as a web and mobile development team to hundreds of companies all over the world, being repeatedly recognized for developing innovative solutions. We are responsible for full lifecycle development of next-generation software, from initial requirement gathering to design, coding, testing, documentation and implementation, merging business and user needs into high-quality, cost-effective solutions while keeping within budgetary constraints. We also known the importance of an effective communication. As we are in Argentina, we have a similar timezone with America and Western Europe, allowing us to take advantages of phone calls and video-conferences to be sure that we are always on the same page on every step we take. Please, contact us if you have any questions, we would be glad to help you.

With over 15 years of experience as a Software Quality Assurance Consultant, QA Manager, and Project Manager, I've successfully led teams and delivered high-quality software projects for multinational corporations and small startups. I'm adept at functional testing, exploratory testing, and manual testing. I aim to test with a user's perspective that automation will never detect, focusing on complex bugs and issues that require a human touch. I have a proven track record of successful projects, reducing defect rates through improved testing cycles and launching projects on time and within budget. My work is supported by management tools and issue trackers such as JIRA or TRELLO. My expertise extends to testing a variety of platforms, including Mobile apps, Web-Apps. I can assist in the following areas: · QA Management: Overseeing test teams, both onshore and offshore. · Test Planning: Creating comprehensive test plans and strategies. · Test Process: Defining and implementing effective testing processes. · Functional Testing: Ensuring software meets specified requirements. · Issue Reporting: Identifying and documenting defects. · Project Management: Leading and managing projects from start to finish. Expertise: . Agile Methodologies: Experience with Scrum, Kanban, and other Agile frameworks. . Stakeholder Management: Ability to communicate effectively with stakeholders. . Reporting: Experience in providing regular updates and progress reports. . Peer Reviews: Involvement in quality assurance activities and knowledge sharing. . Team Leadership: Experience leading and managing teams, including both onshore and offshore resources. . Test Planning: Planning and designing testing processes. . Resource Management: Ability to estimate timelines and allocate resources effectively. . Analysis: Understanding business requirements and conducting technical analysis. . Defect Management: Experience in handling incidents and defects. . Test Case Design: Proficiency in identifying test conditions and creating test cases.

QA Engineer | Manual Testing | Web & Mobile Testing | Regression & Exploratory Testing I help teams release reliable software by finding issues before their users do. I have nearly 15 years of experience in the IT industry and several years of professional experience in Software Quality Assurance, testing web and mobile applications across different industries and business domains. My expertise includes: ✔ Functional Testing ✔ Exploratory Testing ✔ Regression Testing ✔ Test Case Design & Execution ✔ API Testing (Postman) ✔ Mobile Testing (Android & iOS) ✔ Cross-Browser Testing ✔ User Acceptance Testing (UAT) ✔ Bug Reporting & Defect Management ✔ Agile/Scrum Environments When testing an application, I focus on what matters most: critical user journeys, business workflows, usability, and edge cases that can impact real users. I provide clear and actionable bug reports including: - Detailed reproduction steps - Expected vs Actual Results - Severity Assessment - Screenshots and Evidence - Business Impact Whether you need a full QA pass before launch, regression testing before a release, exploratory testing, or an independent review of your application, I can help identify issues and improve the overall quality of your product. English: Professional Working Proficiency Let's make sure your product works as expected before it reaches your customers.